<template>
  <view :style="{background:background,width:!width?'100%':width+'rpx',padding:padding,borderRadius:radius+'rpx'}"
        class="tui-roll-news">
    <view class="tui-notice__shrink" @tap.stop="leftClick">
      <slot></slot>
    </view>
    <swiper :autoplay="true" :circular="true" :interval="interval" :style="{height:height+'rpx'}"
            :vertical="vertical" class="tui-roll__news-swiper">
      <swiper-item v-for="(item,index) in list" :key="index" class="tui-roll__news-item">
        <text
            :style="{color:color,fontSize:size+'rpx',fontWeight:bold?'bold':'',lines:lines,'-webkit-line-clamp':lines}"
            class="tui-rollnews__text"
            @tap="onClick(index)">{{ item[prop] || '' }}
        </text>
      </swiper-item>
    </swiper>
    <view class="tui-notice__shrink" @tap.stop="rightClick">
      <slot name="right"></slot>
    </view>
  </view>
</template>

<script>
export default {
  name: "tui-roll-news",
  emits: ['click', 'leftClick', 'rightClick'],
  props: {
    list: {
      type: Array,
      default() {
        return []
      }
    },
    //list 显示key
    prop: {
      type: String,
      default: 'title'
    },
    width: {
      type: [Number, String],
      default: 0
    },
    //滚动消息高度
    height: {
      type: [Number, String],
      default: 80
    },
    //字体大小 rpx
    size: {
      type: [Number, String],
      default: 28
    },
    color: {
      type: String,
      default: '#333'
    },
    bold: {
      type: Boolean,
      default: false
    },
    background: {
      type: String,
      default: '#fff'
    },
    radius: {
      type: [Number, String],
      default: 0
    },
    padding: {
      type: String,
      default: '0 30rpx'
    },
    //内容显示行数，超出隐藏
    lines: {
      type: Number,
      default: 1
    },
    //自动切换时间间隔（毫秒）
    interval: {
      type: Number,
      default: 3000
    },
    //是否纵向滚动切换内容
    vertical: {
      type: Boolean,
      default: true
    }
  },
  data() {
    return {};
  },
  methods: {
    onClick(index) {
      const item = this.list[index]
      this.$emit('click', {
        index: index,
        item: item
      })
    },
    leftClick() {
      this.$emit('leftClick', {})
    },
    rightClick() {
      this.$emit('rightClick', {})
    }
  }
}
</script>

<style scoped>
.tui-roll-news {
  /* #ifndef APP-NVUE */
  display: flex;
  width: 100%;
  box-sizing: border-box;
  /* #endif */
  flex-direction: row;
  align-items: center;
  overflow: hidden;
}

.tui-notice__shrink {
  /* #ifndef APP-NVUE */
  flex-shrink: 0;
  display: flex;
  /* #endif */
  align-items: center;
  justify-content: center;
  /* #ifdef H5 */
  cursor: pointer;
  /* #endif */
}

.tui-roll__news-swiper {
  flex: 1;
}

.tui-roll__news-item {
  /* #ifndef APP-NVUE */
  width: 100%;
  display: flex;
  /* #endif */
  align-items: center;
}

.tui-rollnews__text {
  /* #ifndef APP-NVUE */
  display: -webkit-box;
  overflow: hidden;
  word-break: break-all;
  white-space: normal;
  -webkit-box-orient: vertical;
  /* #endif */
  overflow: hidden;
}
</style>
